Near-net forming device for silicon carbide ceramic special-shaped part

Abstract

The utility model relates to the technical field of punch forming, in particular to a silicon carbide ceramic special-shaped part near-net forming device which comprises a seat body, conveying structures are arranged at the left end and the right end of one side of the seat body, a raw material storage structure capable of transversely moving is connected between the two conveying structures, and a forming lower die is arranged below the other side of the seat body. And a supporting frame is fixedly installed over the forming lower mold and fixedly installed at the top of the base body, a driving air cylinder is installed at the top of the supporting frame, and the output end of the bottom of the driving air cylinder is fixedly connected with an upper mold base. And then the solid raw materials are conveyed to the position beside the forming device through the conveying structure, then the storage rack is lifted to a certain height through the lifting air cylinder, meanwhile, the electric push rod is used for driving the material pushing plate to push the solid raw materials to the slope end, and the solid raw materials are conveyed into a forming lower mold through the slope.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping forming technical field, concretely to a kind of silicon carbide ceramic special-shaped part near net forming device. BACKGROUND

[0002] Silicon carbide ceramic special-shaped part is a special-shaped ceramic product, mainly made of silicon carbide (SiC) material. Silicon carbide is an inorganic non-metallic material, with excellent properties such as high hardness, wear resistance, corrosion resistance, high temperature resistance, etc. Therefore, silicon carbide ceramic special-shaped parts are usually used in harsh environments that require high temperature, high pressure, strong corrosion, etc.

[0003] The manufacturing process of silicon carbide ceramic special-shaped parts usually includes raw material preparation, forming, sintering and post-processing steps. The raw material is mainly high-purity silicon carbide powder, which is made into a green body of the required shape by a specific forming process (such as isostatic pressing, injection molding, etc.). Then, sintering is carried out at high temperature to densify the green body and form a hard ceramic material. Finally, post-processing operations such as grinding and polishing are performed to obtain the required surface quality and precision.

[0004] However, in the existing silicon carbide ceramic special-shaped part forming process, the raw material for forming needs to be manually fed into the forming mold, and then the mold pressing forming operation is carried out according to the shape of the mold. This method is not efficient and the steps are cumbersome.

[0005] Therefore, it is necessary to design a silicon carbide ceramic special-shaped part near net forming device to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a kind of silicon carbide ceramic special-shaped part near net forming device to solve the problems raised in the above background.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A silicon carbide ceramic special-shaped part near net forming device, comprising a seat body, a conveying structure is arranged on one side of the seat body, a raw material storage structure that can move horizontally is connected between the two conveying structures, a forming lower mold is arranged below the other side of the seat body, a support frame is fixedly installed on the top of the seat body above the forming lower mold, a drive cylinder is installed on the top of the support frame, and an upper mold seat is fixedly connected to the bottom output end of the drive cylinder.

[0009] As the preferred scheme of the utility model, the conveying structure includes multiple conveying wheels which are rotationally connected to the inner side of the seat body, the outer side of the multiple conveying wheels is connected with a second belt, the input end of one of the conveying wheels is fixedly connected with a transmission rod body, a transmission wheel is fixedly connected to the outer side of the transmission rod body and close to one end of the conveying wheel, the outer side of the transmission wheel is connected with a first belt, the other end of the first belt is connected with a driving wheel, and the input end of the driving wheel is also connected with a conveying motor.

[0010] As the preferred scheme of the utility model, the second belt is in transmission connection with the outer side of the multiple conveying wheels, and the outer sides of the transmission wheel and the driving wheel are in transmission connection with the two sides of the first belt.

[0011] As the preferred scheme of the utility model, the raw material storage structure includes an outer box body, the inner part of the outer box body is provided with a storage rack which can move up and down, the bottom of the storage rack is fixedly connected with a lifting cylinder, and one side of the outer box body which is located on the supporting frame is also fixedly connected with an inclined slope.

[0012] As the preferred scheme of the utility model, the inner side of the outer box body is provided with guide grooves at the left and right ends, the left and right sides of the storage rack are also provided with guide blocks, and the guide blocks are in sliding connection with the guide grooves.

[0013] As the preferred scheme of the utility model, the left and right sides of the outer box body are also provided with first belt pulleys, the left and right sides of the inclined slope are provided with second belt pulleys, and the first belt pulleys and the second belt pulleys are in transmission connection with the inner part of the second belt.

[0014] As the preferred scheme of the utility model, the driving cylinder is fixedly installed on the top of the supporting frame through bolts, and the upper die seat and the forming lower die are used in cooperation.

[0015] As the preferred scheme of the utility model, the inner side of the top of the storage rack is also fixedly installed with an electric push rod, and the front end of the electric push rod is fixedly connected with a pushing plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. In the utility model, the near net shape forming device for silicon carbide ceramic special-shaped parts is set, the forming raw materials are placed in the raw material storage structure, then the conveying structure is used to convey the raw materials to the forming device, the lifting cylinder is used to lift the storage rack to a certain height, the electric push rod is used to drive the pushing plate to push the solid raw materials to the inclined slope end, and the raw materials are sent into the forming lower die through the inclined slope.

[0018] 2. The utility model discloses a near net shape forming device for silicon carbide ceramic special-shaped part, utilizes the drive cylinder to drive the lower upper die seat to move downwards, and the raw material is located in the forming lower die, and the silicon carbide ceramic special-shaped part is formed through the mould pressing between the upper die seat and the forming lower die. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the three-dimensional structure schematic diagram of raw material storage structure of the utility model;

[0021] Figure 3 It is the three-dimensional structure schematic diagram of storage frame and lifting cylinder of the utility model;

[0022] Figure 4 It is Figure 1 It is the enlarged structure schematic diagram of A point in the middle.

[0023] In the drawing: 1, base body; 2, conveying structure; 21, conveying wheel; 22, second belt; 23, transmission rod body; 24, transmission wheel; 25, first belt; 26, drive wheel; 27, conveying motor; 3, raw material storage structure; 31, outer box body; 32, storage frame; 321, electric push rod; 322, push plate; 33, lifting cylinder; 34, slope; 35, guide groove; 36, guide block; 37, first pulley; 38, second pulley; 4, forming lower die; 5, support frame; 6, drive cylinder; 7, upper die seat. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] It should be understood that when an element as a layer, region or plate is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In addition, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0028] Embodiments, please refer to Figures 1-4 The application provides a technical scheme:

[0029] The application provides a near-net forming device for silicon carbide ceramic special-shaped parts, which comprises a seat body 1, conveying structures 2 arranged at the left and right ends of one side of the seat body 1, raw material storage structures 3 connected between the two conveying structures 2 and capable of moving horizontally, a forming lower die 4 arranged below the other side of the seat body 1, a support frame 5 fixedly installed above the forming lower die 4 and on the top of the seat body 1, a driving cylinder 6 installed on the top of the support frame 5, and an upper die seat 7 fixedly connected to the bottom output end of the driving cylinder 6.

[0030] Specifically, the conveying structure 2 comprises a plurality of conveying wheels 21 rotationally connected to the inner side of the seat body 1, a second belt 22 connected to the outer side of the plurality of conveying wheels 21, a transmission rod body 23 fixedly connected to the input end of one of the conveying wheels 21, a transmission wheel 24 fixedly connected to the outer side of one end of the transmission rod body 23 close to the conveying wheel 21, a first belt 25 connected to the outer side of the transmission wheel 24, the other end of the first belt 25 connected to a driving wheel 26, the input end of the driving wheel 26 further connected to a conveying motor 27, the second belt 22 in transmission connection with the outer side of the plurality of conveying wheels 21, and the outer sides of the transmission wheel 24 and the driving wheel 26 in transmission connection with the two sides of the first belt 25, respectively. The output shaft of the conveying motor 27 drives the driving wheel 26 to rotate, which in turn drives the transmission wheel 24 to rotate under the transmission of the first belt 25, and then drives the conveying wheels 21 to rotate under the transmission of the transmission rod body 23, so as to finally move the second belt 22 to move the raw material storage structures 3 horizontally.

[0031] Specific, raw material storage structure 3 includes the outer box body 31, the inside of outer box body 31 is provided with the storage rack 32 that can move up and down, the bottom of storage rack 32 is fixedly connected with lifting cylinder 33, and the one side of outer box body 31 located support frame 5 is also fixedly connected with slope 34;The left and right ends of the inner side of outer box body 31 are provided with guide slot 35, and the left and right sides of storage rack 32 are also provided with guide block 36, and guide block 36 and guide slot 35 are slidably connected;The left and right sides of outer box body 31 are also provided with first pulley 37, and the left and right sides of slope 34 are provided with second pulley 38, and first pulley 37 and second pulley 38 are internally drivingly connected with second belt 22;The forming raw material is placed on storage rack 32 for storage for conveying, when the raw material is conveyed to the side of forming lower mold 4, at this time, slope 34 is just placed in forming lower mold 4, and then storage rack 32 is lifted to a certain height by lifting cylinder 33.

[0032] Specific, drive cylinder 6 is fixedly installed on the top of support frame 5 by bolts, and upper die seat 7 and forming lower mold 4 are used in cooperation with each other;The lower upper die seat 7 is driven to move downward by drive cylinder 6, and the raw material is located in forming lower mold 4, and the silicon carbide ceramic special-shaped part is formed by molding between upper die seat 7 and forming lower mold 4.

[0033] Specific, electric push rod 321 is also fixedly installed on the upper side of storage rack 32, and the front end of electric push rod 321 is fixedly connected with push plate 322, and the solid raw material is pushed to the end of slope 34 by push plate 322 driven by electric push rod 321, and is sent into forming lower mold 4 by slope 34;

[0034] The working process of the utility model is as follows: when the near net shape forming device for silicon carbide ceramic special-shaped parts is used, first, the output shaft of conveying motor 27 drives driving wheel 26 to rotate, then driving wheel 26 drives transmission wheel 24 to rotate under the transmission of first belt 25, and then conveying wheel 21 is driven to rotate by the transmission of transmission rod body 23, finally, second belt 22 moves, so that raw material storage structure 3 moves horizontally, when the raw material is conveyed to the side of forming lower mold 4, at this time, slope 34 is just placed in forming lower mold 4, then storage rack 32 is lifted to a certain height by lifting cylinder 33, then the solid raw material is pushed to the end of slope 34 by push plate 322 driven by electric push rod 321, and is sent into forming lower mold 4 by slope 34, finally, the lower upper die seat 7 is driven to move downward by drive cylinder 6, and the raw material is located in forming lower mold 4, and the silicon carbide ceramic special-shaped part is formed by molding between upper die seat 7 and forming lower mold 4.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for near net shape forming of silicon carbide ceramic heteroforms, comprising a seat (1), characterized in that: One side of the seat body (1) is provided with a conveying structure (2), two conveying structures (2) are connected with a raw material storage structure (3) which can move laterally, the other side of the seat body (1) is provided with a lower mold (4) below, the upper side of the lower mold (4) is fixedly installed with a support frame (5) on the top of the seat body (1), the top of the support frame (5) is installed with a drive cylinder (6), the bottom output end of the drive cylinder (6) is fixedly connected with an upper mold base (7).

2. A near net shape forming apparatus for silicon carbide ceramic profiled parts according to claim 1, characterized in that: The conveying structure (2) comprises a plurality of conveying wheels (21) rotatably connected with the inner side of the seat body (1), the outer side of the plurality of conveying wheels (21) is connected with a second belt (22), and the input end of one of the conveying wheels (21) is fixedly connected with a transmission rod body (23), one end of the outer side of the transmission rod body (23) and close to the conveying wheel (21) is fixedly connected with a transmission wheel (24) in the sleeve, the outer side of the transmission wheel (24) is connected with a first belt (25), the other end of the first belt (25) is connected with a drive wheel (26), and the input end of the drive wheel (26) is also connected with a conveying motor (27).

3. A near net shape forming apparatus for silicon carbide ceramic profiled pieces according to claim 2, characterized in that: The second belt (22) and the plurality of conveying wheels (21) are in transmission connection, and the outer sides of the transmission wheel (24) and the drive wheel (26) are in transmission connection with the two sides of the first belt (25).

4. A near net shape forming apparatus for SiC ceramic irregular shaped parts as recited in claim 1, wherein: The raw material storage structure (3) comprises an outer box body (31), the inside of the outer box body (31) is provided with a storage rack (32) which can move up and down, the bottom of the storage rack (32) is fixedly connected with a lifting cylinder (33), and one side of the outer box body (31) above the support frame (5) is also fixedly connected with an inclined slope (34).

5. A near net shape forming apparatus for silicon carbide ceramic shaped parts according to claim 4, characterized in that: The inner side of the outer box body (31) is provided with guide grooves (35) at both ends, the left and right sides of the storage rack (32) are also provided with guide blocks (36), and the guide blocks (36) and the guide grooves (35) are in sliding connection.

6. A near net shape forming apparatus for SiC ceramic irregular shaped parts as recited in claim 4, characterized by: The left and right sides of the outer box body (31) are also provided with first belt pulleys (37), the left and right sides of the inclined slope (34) are provided with second belt pulleys (38), and the first belt pulleys (37) and the second belt pulleys (38) are in transmission connection with the inside of the second belt (22).

7. The apparatus of claim 1 wherein: the apparatus further comprises a vacuum chamber; and the vacuum chamber is configured to provide a vacuum to the apparatus. The drive cylinder (6) is fixedly installed on the top of the support frame (5) through bolts, and the upper mold base (7) and the lower mold (4) are used in cooperation.

8. A near net shape forming apparatus for SiC ceramic irregular shaped parts as recited in claim 4, characterized by: The inner side of the top of the storage rack (32) is also fixedly installed with an electric push rod (321), and the front end of the electric push rod (321) is fixedly connected with a pushing plate (322).

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